A quantitative model was developed for each parameter. Cetane index: For the cetane index, reference values were given for 65 of the 71 samples. These values remained in the range of 39.7 to 57.2, and ...
Engine oil degrades over time when exposed to heat, oxygen, friction, and pollutants. This degradation diminishes the oil's ability to protect the engine and, if not corrected, can cause engine damage ...
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